Lodi Citizen's Monitoring - Lodi, California
APRIL 2007
Weather: Light breeze, CLEAR, temperature 24C (75 F)
date Water had some turbidity and some olive brown color reported.
13-Apr-07 Medium flow, river level up, March 16, 2007 Lodi Lake started filling.
            Dissolved   (TDS) Nitrate,  
        Water Oxygen Turbidity Conduct. as mg/L  
Test Site Date Time  pH Temperature mg/L NTU uS Nitrogen Remarks
Site #1 13-Apr-07 11:55 8.4 15.5 C 59.9 F 9.0 4.6 ntu 30 0  
River before City     B A   A A A A  
Storm System inlets                    
Site # 2 13-Apr-07 12:10 8.6 14.7 C 58.5 F 8.2 3.5 ntu 30 0  
River     C A   B A A A  
near Casa de Lodi                    
Site # 5 na                  
River at                    
1050 N Lincoln                    
Site # 7 13-Apr-07 15:28 9.2 15.6 C 60.1 F 9.4 1.4 ntu 40 0  
River, near Gazebo     D A   A A A A  
N/O Lodi Lake                    
Site # 7A 13-Apr-07 15:28 8.1 19.6 C   8.3 2.1 ntu 40 0  
East end (S/o SD)     B A   A A A A  
Lodi Lake                    
Site # 8 13-Apr-07 15:14 7.7 18.0 C 64.4 F 8.6 3.8 ntu 40 0  
Lodi Lake     A A   A A A A  
near Storm Drain                    
Site # 9 13-Apr-07 15:40 7.6 18.3 C 64.9 F 9.5 4.4 ntu 40 na Jet ski activity
River at     A A   A A A    
WID Dam                    
Weather: Clear, sunny and calm, temperature 30 C (85 F)
date Water a little turbid with some olive-brown color reported.
27-Apr-07 Medium flow, river level up, March 16, 2007 Lodi Lake started filling.
            Dissolved   (TDS) Nitrate,  
        Water Oxygen Turbidity Conduct. as mg/L  
Test Site Date Time  pH Temperature mg/L NTU uS Nitrogen Remarks
Site #1 27-Apr-07 15:24 7.5 18.0 C 64.4 F 10.6 3.0 ntu 30 0  
River before City     A A   A A A A  
Storm System inlets                    
Site # 2 27-Apr-07 15:25 7.5 18.2 C 64.8 F 9.2 2.5 ntu 40 0  
River     A A   A A A A  
near Casa de Lodi                    
Site # 5 27-Apr-07 15:45 7.7 18.2 C 64.8 F 9.0 3.3 ntu 40 na  
River at     A A   A A A    
1050 N Lincoln                    
Site # 7 27-Apr-07 15:15 7.7 18.0 C 64.4 F 9.1 .6 ntu na 0  
River, near Gazebo     A A   A A   A  
N/O Lodi Lake                    
Site # 7                    
River, near Gazebo                    
N/O Lodi Lake                    
Site # 7A 27-Apr-07 15:45 7.5 24.5 C 76.1 F 9.2 1.3 ntu 40 0  
East end (S/o SD)     A A   A A A A  
Lodi Lake                    
Site # 8                    
Lodi Lake                    
near Storm Drain                    
Site # 9 27-Apr-07 15:56 7.6 21.1 C 70.0 F 10.7 5.1 ntu 40 na  
River at     A B   A B A    
WID Dam                    
NA = Not Analyzed
GRADE: pH   Temp   D.O.     Turbidity TDS Nitrates
A 7.0 - 8.0   Weather   > 85% Saturation   < 5 < 150 < 1
B 6.5-6.9, 8.1-8.5 and   75-84% Sat.   5 - 20 151 - 300 2  -  3
C 6.0-6.4, 8.6-9.0 condition   65-74% Sat.   21 - 50 301 - 500 4  -  5
D 5.5-5.9, 9.1-9.5 dependent   55-64% Sat.   50 - 150 501 -1000 6  -  10 
F <5.5, >9.5       < 55%Sat.,<5.0mg/L   > 150 > 1000 > 10